Swasey Peak, Utah - 7.5 Minute Series Topo Map Arches National Park Turonian-Coniacian-age strata deposited along the

Turonian-Coniacian-age strata deposited along the margin of the rapidly subsiding Cretaceous foreland basin

The sites range from Canyonlands and the San Rafael Swell to Horseshoe Canyon and the Uinta Basin

Schellenbach

at the North Creek site

Swasey Peak, Utah - 7.5 Minute Series Topo Map Arches National Park Turonian-Coniacian-age strata deposited along theThe distinctive characteristic of a topographic map is that the shape of the Earth's surface is shown by contour lines. Contours are imaginary lines that join points of equal elevation on the surface of the land above or below a reference surface, such as mean sea level. Contours make it possible to measure the height of mountains, depths of the ocean bottom, and steepness of slopes. A topographic map shows more than contours. The map also includes